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pcbn inserts in solid cbn and tipped cbn for hard turning

PCBN inserts for turning cast iron and hardened steel: pcbn is the second hardest material in the world, and cbn related high precision cutting tools are introduced to industry, achieved high productivity and cost reductions. pcbn is the short name of polycrystalline cubic boron nitride, and pcbn inserts are mainly for the hard metal turning to replace the conventional machining way u3a - Contact To join a u3a, you will need to contact one local to you. You can find these details on our Find a u3a page If you would like to contact your regional trustee directly, please see the National Executive Committee page If you would like to visit the regional websites, please see the Regions page Please register your committee changes via our committee updates form